[alsa-devel] [PATCH] ALSA: allocation may fail in snd_pcm_oss_change_params()

Allocation may fail, show if it did.

Signed-off-by: Roel Kluin roel.kluin@gmail.com --- diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index dbe406b..ea91a0a 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -1047,6 +1047,10 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream) runtime->oss.prepare = 1; vfree(runtime->oss.buffer); runtime->oss.buffer = vmalloc(runtime->oss.period_bytes); + if (runtime->oss.buffer == NULL) { + err = -ENOMEM; + goto failure; + } runtime->oss.buffer_used = 0; if (runtime->dma_area) snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));